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Momentum and Heat Transfer in Turbulent Gas-Solid Flows

ISBN:
1-57600-022-3 (Imprimir)

Momentum and Heat Transfer in Turbulent Gas-Solid Flows

Descripción

This book is concerned with simultaneous transfer of momentum, heat and particulate mass in turbulent gas flows containing a relatively small (by volume) fraction of solid particles. The overwhelming majority of applications of particle-laden gas systems are turbulent, and this book therefore deals exclusively with turbulent transport phenomena.



372 pages, © 1995

Tabla de Contenidos:

Preface
Nomenclature
1 Principal Characteristics of Suspension Flows and Models of Transport Processes
1.1 Principal Characteristics and Classification of Suspension Flows
1.2 Classification and Specific Features of Transport Processes in Gas Suspensions
1.3 Principle Models of Heterogeneous Flows
1.4 Physical Model of Transport Processes in Gas Suspension Flows (the Heterogeneous Approach)
1.5 Mathematical Description of Transport Processes in Gas Suspension Flows
References
2 Motion of Solid Particles in Turbulent Gas Flows
2.1 Characteristics of Particle Motion
2.2 Forces Acting on Particles in Turbulent Isothermal Flows
2.3 Forces Induced by Nonisothermicity of Flow
2.4 Mean Motion of Particle in Channel Flows of Gas Suspensions
2.5 Motion of Particles in Gas Suspensions Flowing Across Obstacles
2.6 Fluctuating Motion of Particles in Turbulent Flow
2.7 Transport of Particle Mass. Formation of Solids Concentration Distribution
References
3 Momentum Transfer in a Flowing Suspension
3.1 Mathematical Description of Gas Suspension Flows
3.2 Effect of Particles on the Carrier-Fluid Turbulence
3.3 Methods and Results of Experimental Studies of the Turbulence Parameters of the Gas Component in Gas Suspension Flows
3.4 Principal Methods of Analysis of the Average Motion of the Carrier Fluid
3.5 Calculating the Distribution of Averaged Gas Velocity in the Presence of Particles
3.6 Calculation of Turbulent Gas Suspension Flows on the Basis of Equations of the Second Moments of the Pulsation-Velocity Distribution
3.7 Pressure Drops in Gas-Suspension Flows
References
4 Intercomponent Heat Transfer in Gas Suspension Flows
4.1 Specifics of Intercomponent Heat Transfer in Gas Suspensions
4.2 Calculation of the Intercomponent Heat Transfer Coefficient
4.3 Effect of Concentration Structure of the Gas Suspension Flow
4.4 Methods of Thermal Design of Mixing-Type Heat Exchangers Employing Flowing Gas Suspensions
4.5 Effect of Radiative Heat Transfer on the Efficiency of Intercomponent Heat Transfer
4.6 Intercomponent Heat Transfer in the Presence of Internal Heat Sources
References
5 Convective Heat Transfer with Gas Suspension Flows
5.1 Physical Model and Mathematical Description of the Process
5.2 Experimental Data
5.3 Hydrodynamic Theory of Heat Transfer over the Stabilized Length
5.4 Heat Transfer in the Entrance Region
5.5 Heat Transfer in Annuli. Effect of Electric Field
5.6 Special Aspects of Heat Transfer With Flowing Gas Suspensions
References
6 Radiative and Combined (Radiative-Convective) Heat Transfer with Gas Suspension Flows
6.1 Specifics of Radiative Heat Transfer with Suspension Flows
6.2 On the Limits of Applicability of Homogeneous Concepts in Radiative Heating of Dust-Laden Flows
6.3 Radiation Transfer in Suspension Flows
6.4 Elements of the Theory of Radiative-convective Heat Transfer with Gas Suspension Flows
6.5 Effect of Longitudinal and Transverse Radiative Transport on Combined Heat Transfer
6.6 Experimental Studies of Combined Heat Transfer with Gas Suspensions
References
7 Applications of Gas Suspension Flows
7.1 The Gas Suspensions under Natural and Industrial Conditions
7.2 Examples of Industrial Processes and Devices with Dedicated Gas Suspension Flows
7.3 Heat Exchangers Employing Flowing Gas Suspensions
7.4 Gas Suspension Flows in Nuclear Power Plants
7.5 Flowing Gas Suspensions in High-Temperature Processes
References